FVXX21 KWBC 301300
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1300 UTC 30 DEC 1999 BY THE WASHINGTON VAAC 
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TUNGURAHUA 99-314         ECUADOR 1.47S 78.44W 
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BACKGROUND:    TUNGURAHUA ECUADOR (1502-08)
               SUMMIT HEIGHT 16480 FT (5023 M)
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SOURCES OF INFORMATION: GOES-8 VISIBLE AND INFRARED AND
MULTISPECTRAL IMAGERY...GEOPHYSICAL INSTITUTE IN QUITO.              
                           
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ERUPTION DETAILS: INTERMITTENT ASH AND STEAM EMISSIONS...  
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DETAILS OF ASH: SATELLITE IMAGERY THROUGH 30/1215 UTC SHOWS SKIES
HAVE CLEARED OVER THE VOLCANO BUT THERE IS NO EVIDENCE OF ASH AT
THIS TIME IN THE VICINITY OF THE VOLCANO. 
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TRAJECTORY: IF THERE WAS ASH UP TO FL190 IT WOULD MOVE NORTHEAST AT
10 KTS. ASH FROM FL190 TO FL250 WOULD MOVE WEST AT LESS THAN 10 KTS. 
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REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
http://www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
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OUTLOOK:  SEE SIGMETS.
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EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE
AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES
AND MINUTES OF A DEGREE.  EXAMPLE: 16.70N 62.20W  WILL BE 1642N6212W
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THE NEXT STATEMENT WILL BE ISSUED BY 30/1900 UTC.
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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KARST/SAB/NOAA/NESDIS
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